Home / 5,717.59-7,889.32-3,360.19

Finding the Fourth Proportional to 5,717.59, 7,889.32 and 3,360.19

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Solution

The fourth proportional to 5,717.59, 7,889.32 and 3,360.19 is: 4,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.59 : 7,889.32 = 3,360.19 : x
  2. Step 2: Convert to fraction form
    5,717.59/7,889.32 = 3,360.19/x
  3. Step 3: Cross multiply
    5,717.59x = 7,889.32 × 3,360.19
  4. Step 4: Simplify right side
    5,717.59x = 26,509,574.72
  5. Step 5: Solve for x
    x = 26,509,574.72/5,717.59
  6. Step 6: Final answer
    x = 4,636.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.